1. Open the vanilla pod in half, scrape the seeds, and put in a saucepan with the milk
2. Heat the milk without boiling it, add the butter and let it cool, allowing the vanilla to infuse
3. Beat the eggs and sugar, add a pinch of salt
4. Gradually add this mixture to the flour, then add the milk-butter mixture while whisking well
5. Add a teaspoon of rum or orange blossom
6. Check the consistency of the batter, if it is too thick, add a little milk
7. Heat your skillet and add a knob of butter before cooking each crepe.